SATELLINE-M3-TR4 OA is the next generation solution for data communications in traffic applications. It complies with the requirements of the Dutch KAR* (Korte Afstand Radio) specification for Public Transportation data communications.

The SATELLINE-M3-TR4 OA module is designed to be integrated in onboard computers.  It provides a reliable private data communication links to several services. The module is compatible with existing SATELLINE-3AS-OA systems.

The basic applications include traffic light priority requests, the display of real-time information on anticipated arrival times at bus stops, vehicle tracking and communication with the central transportation control computer.

Available model and product order code:

  • SATELLINE-M3-TR4 OA (YM7450) 

Technical specifications

Frequency range 403...473
Tuning range 70 MHz
Channel spacing 12.5 /25 kHz ( software selectable)
Sensitivity/Carrier power -116 dBm/ 0.02, 0.05, 0.2, 0.2, 0.5, 1 W
Operating voltage +4 Vdc
Power consumption RX/TX@1W 0.73 W/ 4.7 W
Size/Weight 57 x 36 x 6.7 mm, 18 g
Connectors HIROSE U.FL

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